[ihunter2839]

Wikipedia sums it up pretty well

https://en.m.wikipedia.org/wiki/Clarence_Saunders_(grocer)#W...

tldr - the short sellers were given five days to find the necessary shares (compared to the standard 24 hours). That's a lot of time in 1923, and enough shares came in to get them out of the corner.

Clarencr Saunders (the Piggly man himself) was left with no way to repay the loan that allowed him to set up the squeeze and was forced to walk away from a truly revolutionary business he had built.

Read Business Adventures, as mentioned in other comments. Cannot recommend enough.